The CO2 in the atmosphere has now reached ... Gleick's tweet was accompanied by a graph he plotted himself, demonstrating that CO2 levels thousands of years ago were indeed as high as some of ...

"Now we are finding that atmospheric CO2 levels are increasing faster than ever." The researchers measured carbon dioxide, or CO2, levels at the Mauna Loa Atmospheric Baseline Observatory.

Source: National Oceanic and Atmospheric Administration ... which you can see in the chart above. How much carbon dioxide levels rise in a given year depends on two factors: the amount of ...

An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time, ...

The amount of carbon dioxide in the atmosphere has reached its highest level in human history, according to U.S. government data. The Earth hasn’t had this much CO2 in the atmosphere in more ...

New research from the University of California, Davis, the Chinese Academy of Sciences and Texas A&M University reveals that ...

The National Oceanic and Atmospheric Administration in 2023 measured levels of carbon dioxide in the atmosphere that haven't been as high for millions of years. Atmospheric CO2 reached an average ...

Carbon dioxide levels in the atmosphere increased to a record high in 2023, even as countries promise to lower their emissions, the World Meteorological Organization reported Monday. The WMO ...

In climate news, the National Oceanic and Atmospheric Administration has revealed global carbon dioxide levels exceeded 430 ...